Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the LIV Watches P-51 Big Pilot?

At MSRP the Serica Ref. 5303 Diving Chronometer is the cheaper of the two at $1,768, against $2,100 for the LIV Watches P-51 Big Pilot — a $332 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the LIV Watches P-51 Big Pilot?

The LIV Watches P-51 Big Pilot wears larger at 44mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the LIV Watches P-51 Big Pilot?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 20m for the LIV Watches P-51 Big Pilot.

Side by side

Serica Ref. 5303 Diving ChronometervsLIV Watches P-51 Big Pilot

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

LIV Watches P-51 Big Pilot

pre-loved-build-p-51

MSRP $2,100

At a glance

14 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

P-51 Big Pilot44mm

Power Reserve

Ref. 5303 Diving Chronometer42h

P-51 Big Pilot—

Water Resistance

Ref. 5303 Diving Chronometer300m

P-51 Big Pilot20m

MSRP

Ref. 5303 Diving Chronometer$1,768

P-51 Big Pilot$2,100

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

—

Power Reserve

42h

—

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$2,100

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